HP 8100 Support Components, System Memory, Support Component Functions, Component Name Function

System Overview

2.3.3 Support Components

Input/output functions not provided by the chipset are handled by other support components. Some of these components also provide “housekeeping” and various other functions as well. Table 2-3 shows the functions provided by the support components.

Table 2-3

Support Component Functions

Component Name	Function
WPCD376H SIO Controller	Keyboard and pointing device I/F
	Serial I/F (COM1and COM2) [1]
	Parallel I/F (LPT1, LPT2, or LPT3) [2]
	PCI reset generation
	Interrupt (IRQ) serializer
	Power button and front panel LED logic
	GPIO ports
	Processor over temperature monitoring
	Fan control and monitoring
	Power supply voltage monitoring
	SMBus and Low Pin Count (LPC) bus I/F
Intel 82578LM Network Interface	10/100/1000 Fast Ethernet network interface controller.
Controller
ALC261 HD Audio Codec	Audio mixer
	Two digital-to-analog stereo converters
	Two analog-to-digital stereo converters
	Analog I/O
	Supports stereo (two-channel) audio streams

NOTE:

[1]COM2 requires external bracket/cable assembly.

[2]Requires external bracket/cable assembly.

2.3.4System Memory

These systems implement a dual-channel Double Data Rate (DDR3) memory architecture. All models support DDR3 1333-, 1066, and 800-MHz memory modules and provide four UDIMM sockets and support a total of 16 gigabytes of memory.

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